package com.DeptManage.mapper;
import com.DeptManage.entity.Student;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;
@Mapper
public interface StudentMapper extends BaseMapper<Student> {

    public  int  getSum();
    public List<Student> getMax();
    public  List<Student> getSax();

}